python ssh 批量连接linux服务器执行命令

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

'''
  因为含有pxssh模块，该程序只能在 linux 环境中运行
'''

import optparse
from pexpect import pxssh

class Client:

    def __init__(self, host, user, password):
        self.host = host
        self.user = user
        self.password = password
        self.session = self.connect()

    def connect(self):
        try:
            s = pxssh.pxssh()
            s.login(self.host, self.user, self.password)
            return s
        except Exception as e:
            print(e)
            print('[-] Error Connecting')

    def send_command(self, cmd):
        self.session.sendline(cmd)
        self.session.prompt()
        return self.session.before

def botnetCommand(command):
    for client in botNet:
        output = client.send_command(command)
        print('[*] Output from' + client.host)
        print('[+] ' + output + '\n')

def addClient(host, user, password):
    client = Client(host, user, password)
    botNet.append(client)

botNet = []
addClient('114.55.xx.xx', 'root', 'password')
addClient('114.55.xx.xx', 'root', 'password')
botnetCommand('uname -v')
botnetCommand('cat /etc/issue')